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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Ettori, S.
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document
Spectral Analysis of the Chandra Observation of the Cluster of Galaxies A1795
Abstract
We present spatially-resolved X-ray spectroscopy of the central 300 h<SUB>50</SUB><SUP>-1</SUP>kpc of the cooling flow cluster of galaxies Abell 1795 made with the Chandra observatory. The data for the inner ~ 150 kpc indicate the presence for a strong cooling flow with an integrated mass deposition rate of about 200 M yr<SUP>-1</SUP> The plasma temperature rises moving outwards in the cluster by a factor of 2, whereas the metal abundance decreases from 0.54<SUP>+0.06</SUP><SUB>-0.05</SUB> to 0.23<SUP>+0.04</SUP><SUB>-0.07</SUB> times the solar abundance over the same radial range (1 sigma error-bar). <P />...